see more

Russia's Aslan Karatsev hits a return against Argentina's Diego Schwartzman during their men's singles match on day five of the Australian Open tennis tournament in Melbourne on February 12, 2021. (Photo by Paul CROCK / AFP) / -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE -- (Photo by PAUL CROCK/AFP via Getty Images)

Russia's Aslan Karatsev hits a return against Argentina's Diego Schwartzman during their men's singles match on day five of the Australian Open tennis tournament in Melbourne on February 12, 2021. (Photo by Paul CROCK / AFP) / -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE -- (Photo by PAUL CROCK/AFP via Getty Images)